\documentclass{article}
\title{Set the format of the page directory}
\author{LiChao}
\date{June 14.2012}
\usepackage{times}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{135.0pt}
\usepackage{titletoc}
\titlecontents{section}[0pt]{\addvspace{2pt}\filright}
              {\contentspush{\thecontentslabel\ }}
              {}{\titlerule*[8pt]{.}\contentspage}
\begin{document}
\maketitle
\contentsline{section}{\numberline{12.8}Some section that
                       is wrapped in the TOC}{87}
\contentsline{section}{\numberline{12.9}Another section}{88}
\contentsline{section}{\numberline{12.10}And yet another
                       wrapping section}{90}
\contentsline{section}{\numberline{12.11}Final section}{92}
\end{document}